linux-kernel - [mac80211] a0761a3017: hwsim.monitor_iface_unknown

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Date:   Fri, 17 Apr 2020 15:49:39 +0800
From:   kernel test robot <rong.a.chen@...el.com>
To:     Johannes Berg <johannes.berg@...el.com>
Cc:     Jouni Malinen <j@...fi>, Luca Coelho <luciano.coelho@...el.com>,
        LKML <linux-kernel@...r.kernel.org>, lkp@...ts.01.org
Subject: [mac80211] a0761a3017: hwsim.monitor_iface_unknown_sta.fail

Greeting,

FYI, we noticed the following commit (built with gcc-7):

commit: a0761a301746ec2d92d7fcb82af69c0a6a4339aa ("mac80211: drop data frames without key on encrypted links")
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git master

in testcase: hwsim
with following parameters:

	group: hwsim-23



on test machine: qemu-system-x86_64 -enable-kvm -cpu SandyBridge -smp 2 -m 8G

caused below changes (please refer to attached dmesg/kmsg for entire log/backtrace):


If you fix the issue, kindly add following tag
Reported-by: kernel test robot <rong.a.chen@...el.com>


2020-04-17 13:05:28 	./run-tests.py monitor_iface_unknown_sta 
DEV: wlan0: 02:00:00:00:00:00
DEV: wlan1: 02:00:00:00:01:00
DEV: wlan2: 02:00:00:00:02:00
APDEV: wlan3
APDEV: wlan4
START monitor_iface_unknown_sta 1/1
Test: AP mode monitor interface and Data frame from unknown STA
Starting AP wlan3
Connect STA wlan0 to AP
No disconnection
Traceback (most recent call last):
  File "./run-tests.py", line 521, in main
    t(dev, apdev)
  File "/lkp/benchmarks/hwsim/tests/hwsim/test_monitor_interface.py", line 80, in test_monitor_iface_unknown_sta
    raise Exception("No disconnection")
Exception: No disconnection
FAIL monitor_iface_unknown_sta 5.544894 2020-04-17 13:05:34.527273
passed 0 test case(s)
skipped 0 test case(s)
failed tests: monitor_iface_unknown_sta



To reproduce:

        # build kernel
	cd linux
	cp config-5.6.0-rc5-00280-ga0761a301746e .config
	make HOSTCC=gcc-7 CC=gcc-7 ARCH=x86_64 olddefconfig prepare modules_prepare bzImage

        git clone https://github.com/intel/lkp-tests.git
        cd lkp-tests
        bin/lkp qemu -k <bzImage> job-script # job-script is attached in this email



Thanks,
Rong Chen


View attachment "config-5.6.0-rc5-00280-ga0761a301746e" of type "text/plain" (204837 bytes)

View attachment "job-script" of type "text/plain" (4887 bytes)

Download attachment "dmesg.xz" of type "application/x-xz" (144552 bytes)

View attachment "hwsim" of type "text/plain" (41527 bytes)